Submission #1099848

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1099848	2024-10-12T05:36:13 Z	model_code	Hieroglyphs (IOI24_hieroglyphs)	C++17	19 / 100	223 ms	15796 KB

hieroglyphs

// incorrect/felix-hasucs.cpp

#include "hieroglyphs.h"
#include<bits/stdc++.h>

using namespace std;

using vi = vector<int>;
using vvi = vector<vi>;

//erases non-common elements
void clean(vi& a, vi& b) {
    vi ap;
    vi bp;
    set<int> as;
    set<int> bs;
    for (int x : a) as.insert(x);
    for (int x : b) bs.insert(x);
    for (int x : a) if (bs.count(x)) ap.push_back(x);
    for (int x : b) if (as.count(x)) bp.push_back(x);
    swap(a, ap);
    swap(b, bp);
}

map<int, int> coordinate_compress(vi& a, vi& b) {
    int cc = 0;
    map<int, int> mp;
    map<int, int> rmp;
    for (int& x : a) {
        if (!mp.count(x)) {
            mp[x] = cc++;
            rmp[mp[x]] = x;
        }
        x = mp[x];
    }
    for (int& x : b) {
        if (!mp.count(x)) {
            mp[x] = cc++;
            rmp[mp[x]] = x;
        }
        x = mp[x];
    }
    return rmp;
}

bool is_subsequence(const vi& a, const vi& b) {
    int j = 0;
    for (int x : a) {
        if (j < (int)b.size() && b[j] == x) {
            j++;
        }
    }
    return j == (int)b.size();
}

vector<int> get_candidate(vector<int> a, vector<int> b) {
    int n = a.size();
    int m = b.size();

    vi occ_a(max(n, m)+1, 0);
    vi occ_b(max(n, m)+1, 0);
    for (int i=0; i < n; ++i) {
        occ_a[a[i]]++;
    }
    for (int i=0; i < m; ++i) {
        occ_b[b[i]]++;
    }

    vi c;
    queue<int> qa;
    queue<int> qb;

    for (int i=0; i < n; ++i) {
        if (occ_a[a[i]] <= occ_b[a[i]]) {
            qa.push(i);
        }
    }
    for (int i=0; i < m; ++i) {
        if (occ_a[b[i]] > occ_b[b[i]]) {
            qb.push(i);
        }
    }

    int i_a_curr = 0;
    int i_b_curr = 0;
    int i_a_next = 0;
    int i_b_next = 0;
    vi occ_a_curr = vi(occ_a);
    vi occ_a_next = vi(occ_a);
    vi occ_b_curr = vi(occ_b);
    vi occ_b_next = vi(occ_b);

    while(!qa.empty() && !qb.empty()) {
        while(i_a_next < qa.front()) {
            occ_a_next[a[i_a_next]]--;
            i_a_next++;
        }
        while(i_b_next < qb.front()) {
            occ_b_next[b[i_b_next]]--;
            i_b_next++;
        }

        int x = a[i_a_next];
        int y = b[i_b_next];

        int occ_x = occ_a_next[x];
        int occ_y = occ_b_next[y];

        bool a_good = (occ_a_next[y] >= occ_y && occ_b_curr[x] > occ_b_next[x]);
        bool b_good = (occ_b_next[x] >= occ_x && occ_a_curr[y] > occ_a_next[y]);

        if (a_good && b_good) return vi();
        if (!a_good && !b_good) return vi();

        if(a_good) {
            c.push_back(x);
            qa.pop();
            while(i_a_curr <= i_a_next) {
                occ_a_curr[a[i_a_curr]]--;
                i_a_curr++;
            }
            while(b[i_b_curr] != x) {
                occ_b_curr[b[i_b_curr]]--;
                i_b_curr++;
            }
            occ_b_curr[b[i_b_curr]]--;
            i_b_curr++;
        }
        else {
            c.push_back(y);
            qb.pop();
            while(i_b_curr <= i_b_next) {
                occ_b_curr[b[i_b_curr]]--;
                i_b_curr++;
            }
            while(a[i_a_curr] != y) {
                occ_a_curr[a[i_a_curr]]--;
                i_a_curr++;
            }
            occ_a_curr[a[i_a_curr]]--;
            i_a_curr++;
        }
    }

    while(!qa.empty()) {
        c.push_back(a[qa.front()]);
        qa.pop();
    }
    while(!qb.empty()) {
        c.push_back(b[qb.front()]);
        qb.pop();
    }

    return ((is_subsequence(a, c) && is_subsequence(b, c)) ? c : vi());
}

vector<int> ucs(vector<int> a, vector<int> b) {
    clean(a, b);
    if (a.empty() || b.empty()) {
		return vector<int>();
    }
    map<int, int> mp = coordinate_compress(a, b);
    vi c;
    c = get_candidate(a, b);
    if (c.empty() || c[0] == -1) return {-1};
    for (int& x : c) x = mp[x];
    return c;
}

Subtask #0
0.0 / 0.0

#	Verdict	Memory	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct

Subtask #1
3.0 / 3.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	2 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	223 ms	15796 KB	Output is correct
6	Correct	213 ms	15676 KB	Output is correct
7	Correct	216 ms	15672 KB	Output is correct

Subtask #2
0.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	2 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	223 ms	15796 KB	Output is correct
6	Correct	213 ms	15676 KB	Output is correct
7	Correct	216 ms	15672 KB	Output is correct
8	Correct	169 ms	10920 KB	Output is correct
9	Correct	151 ms	10900 KB	Output is correct
10	Correct	166 ms	10940 KB	Output is correct
11	Correct	154 ms	10904 KB	Output is correct
12	Correct	171 ms	10900 KB	Output is correct
13	Correct	148 ms	10860 KB	Output is correct
14	Correct	148 ms	10904 KB	Output is correct
15	Correct	151 ms	10796 KB	Output is correct
16	Correct	145 ms	10904 KB	Output is correct
17	Correct	150 ms	11000 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	2 ms	604 KB	Output is correct
22	Correct	66 ms	6132 KB	Output is correct
23	Correct	121 ms	10408 KB	Output is correct
24	Correct	123 ms	10304 KB	Output is correct
25	Correct	130 ms	10308 KB	Output is correct
26	Correct	75 ms	6480 KB	Output is correct
27	Correct	145 ms	10992 KB	Output is correct
28	Correct	146 ms	10884 KB	Output is correct
29	Incorrect	148 ms	10904 KB	Output isn't correct
30	Halted	0 ms	0 KB	-

Subtask #3
0.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	27 ms	6200 KB	Output is correct
2	Correct	28 ms	6468 KB	Output is correct
3	Correct	21 ms	5696 KB	Output is correct
4	Correct	20 ms	5484 KB	Output is correct
5	Correct	25 ms	6252 KB	Output is correct
6	Correct	13 ms	4240 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Incorrect	0 ms	348 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #4
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	169 ms	10920 KB	Output is correct
2	Correct	151 ms	10900 KB	Output is correct
3	Correct	166 ms	10940 KB	Output is correct
4	Correct	154 ms	10904 KB	Output is correct
5	Correct	171 ms	10900 KB	Output is correct
6	Correct	148 ms	10860 KB	Output is correct
7	Correct	148 ms	10904 KB	Output is correct
8	Correct	151 ms	10796 KB	Output is correct
9	Correct	145 ms	10904 KB	Output is correct
10	Correct	150 ms	11000 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	2 ms	604 KB	Output is correct
15	Correct	66 ms	6132 KB	Output is correct
16	Correct	121 ms	10408 KB	Output is correct
17	Correct	123 ms	10304 KB	Output is correct
18	Correct	130 ms	10308 KB	Output is correct
19	Correct	75 ms	6480 KB	Output is correct
20	Correct	27 ms	6200 KB	Output is correct
21	Correct	28 ms	6468 KB	Output is correct
22	Correct	21 ms	5696 KB	Output is correct
23	Correct	20 ms	5484 KB	Output is correct
24	Correct	25 ms	6252 KB	Output is correct
25	Correct	13 ms	4240 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	1 ms	344 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	604 KB	Output is correct
32	Correct	2 ms	544 KB	Output is correct
33	Correct	2 ms	604 KB	Output is correct
34	Correct	6 ms	1912 KB	Output is correct
35	Correct	26 ms	6000 KB	Output is correct
36	Correct	42 ms	6864 KB	Output is correct
37	Correct	30 ms	6468 KB	Output is correct
38	Correct	31 ms	6216 KB	Output is correct
39	Correct	30 ms	6208 KB	Output is correct
40	Correct	131 ms	9624 KB	Output is correct
41	Correct	87 ms	7376 KB	Output is correct
42	Correct	20 ms	4928 KB	Output is correct
43	Correct	21 ms	4924 KB	Output is correct
44	Correct	22 ms	5048 KB	Output is correct
45	Correct	20 ms	4652 KB	Output is correct
46	Correct	112 ms	8404 KB	Output is correct
47	Correct	106 ms	8508 KB	Output is correct
48	Correct	111 ms	8376 KB	Output is correct
49	Correct	123 ms	8120 KB	Output is correct
50	Correct	112 ms	8228 KB	Output is correct
51	Correct	100 ms	8288 KB	Output is correct
52	Correct	111 ms	7740 KB	Output is correct
53	Correct	100 ms	7600 KB	Output is correct
54	Correct	93 ms	7608 KB	Output is correct
55	Correct	15 ms	2384 KB	Output is correct
56	Correct	41 ms	6216 KB	Output is correct
57	Correct	36 ms	5772 KB	Output is correct
58	Correct	58 ms	6504 KB	Output is correct
59	Correct	73 ms	6716 KB	Output is correct
60	Correct	101 ms	7284 KB	Output is correct

Subtask #5
0.0 / 14.0

#	Verdict	Memory	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Incorrect	348 KB	Output isn't correct
9	Halted	0 KB	-

Subtask #6
0.0 / 42.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	2 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	223 ms	15796 KB	Output is correct
9	Correct	213 ms	15676 KB	Output is correct
10	Correct	216 ms	15672 KB	Output is correct
11	Correct	169 ms	10920 KB	Output is correct
12	Correct	151 ms	10900 KB	Output is correct
13	Correct	166 ms	10940 KB	Output is correct
14	Correct	154 ms	10904 KB	Output is correct
15	Correct	171 ms	10900 KB	Output is correct
16	Correct	148 ms	10860 KB	Output is correct
17	Correct	148 ms	10904 KB	Output is correct
18	Correct	151 ms	10796 KB	Output is correct
19	Correct	145 ms	10904 KB	Output is correct
20	Correct	150 ms	11000 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	2 ms	604 KB	Output is correct
25	Correct	66 ms	6132 KB	Output is correct
26	Correct	121 ms	10408 KB	Output is correct
27	Correct	123 ms	10304 KB	Output is correct
28	Correct	130 ms	10308 KB	Output is correct
29	Correct	75 ms	6480 KB	Output is correct
30	Correct	145 ms	10992 KB	Output is correct
31	Correct	146 ms	10884 KB	Output is correct
32	Incorrect	148 ms	10904 KB	Output isn't correct
33	Halted	0 ms	0 KB	-

Submission #1099848

Compilation message

Subtask #0 0.0 / 0.0

Subtask #1 3.0 / 3.0

Subtask #2 0.0 / 15.0

Subtask #3 0.0 / 10.0

Subtask #4 16.0 / 16.0

Subtask #5 0.0 / 14.0

Subtask #6 0.0 / 42.0

Subtask #0
0.0 / 0.0

Subtask #1
3.0 / 3.0

Subtask #2
0.0 / 15.0

Subtask #3
0.0 / 10.0

Subtask #4
16.0 / 16.0

Subtask #5
0.0 / 14.0

Subtask #6
0.0 / 42.0